# N40ML: 2021 William M Lemons AL18

- Status: Valid registration
- Airframe: [William M Lemons AL18](https://openairdocs.org/model/william-m-lemons-al18) (registry code 0563937, 2 seats)
- Engine: [Cont IOX370 series](https://openairdocs.org/engine/cont-iox370-series) (registry code 17501)
- Serial number: AL-345
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: American Legend Aircraft Co AL18
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 8, 2021
- Certificate issued: April 2, 2021
- Expires: April 30, 2028
- Mode S code: A4AB66
- Registered owners: [Lemons William M](https://openairdocs.org/faa-owner/LEMONS%20WILLIAM%20M), [Lemons Hayden M](https://openairdocs.org/faa-owner/LEMONS%20HAYDEN%20M)
- Location: [Conway, AR](https://openairdocs.org/faa-place/AR/Conway)
- Owner type: Co-owned
- Owner's area on the map: 35.0538° N, 92.4787° W: Placed by OpenAirDocs at the center of ZIP code 72034, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40ML
- Page: https://openairdocs.org/aircraft/N40ML

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Cont IOX370 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (William M Lemons AL18)

None in force.

### Matched by engine (Cont IOX370 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N40ML.

## FAA accident and incident reports

None matched to N40ML.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N40ML

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N40ML before.

- [Cancelled 2008-04-30](https://openairdocs.org/deregistered/N40ML-2008-04-30): Learjet 45, S/N 2024, built 2005. Exported to Italy. Owner: [Csc Trust Co Of Delaware Trustee](https://openairdocs.org/faa-owner/CSC%20TRUST%20CO%20OF%20DELAWARE%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- [Cancelled 2002-06-27](https://openairdocs.org/deregistered/N40ML-2002-06-27): Leverenz Mary Lou WELLS SPECIAL, S/N 001, built 1984. Triennial form not returned. Owner: [Leverenz Marylou C](https://openairdocs.org/faa-owner/LEVERENZ%20MARYLOU%20C), [Detroit, MI](https://openairdocs.org/faa-place/MI/Detroit)

## Related

- Other William M Lemons AL18 aircraft: https://openairdocs.org/model/william-m-lemons-al18/aircraft.md
- The Cont IOX370 series engine: https://openairdocs.org/engine/cont-iox370-series.md

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